Home / 3,115,688.70-4,670,033.85-1,318,266.30

Finding the Fourth Proportional to 3,115,688.70, 4,670,033.85 and 1,318,266.30

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Solution

The fourth proportional to 3,115,688.70, 4,670,033.85 and 1,318,266.30 is: 1,975,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,688.70 : 4,670,033.85 = 1,318,266.30 : x
  2. Step 2: Convert to fraction form
    3,115,688.70/4,670,033.85 = 1,318,266.30/x
  3. Step 3: Cross multiply
    3,115,688.70x = 4,670,033.85 × 1,318,266.30
  4. Step 4: Simplify right side
    3,115,688.70x = 6,156,348,244,314.26
  5. Step 5: Solve for x
    x = 6,156,348,244,314.26/3,115,688.70
  6. Step 6: Final answer
    x = 1,975,918.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.